GREGARINE; GREGARINAE n.
An order of Protozoa, allied to the Rhizopoda, and parasitic in other animals, as in the earthworm, lobster, etc. When adult, they have a small, wormlike body inclosing a nucleus, but without external organs; in one of the young stages, they are amoebiform; -- called also Gregarinida, and Gregarinaria.…
HAMMER n.
met the stern legionaries [of Rome] who had been the "massive iron hammers" of the whole earth. J. H. Newman. Atmospheric hammer, a dead-stroke hammer in which the spring is formed by confined air. -- Drop hammer, Face hammer, etc. See under Drop, Face, etc. -- Hammer fish. See Hammerhead. -- Hammer hardening, the…
HARD a.
ter (Zoöl.), the northern native oyster. [Local, U. S.] - - Hard pan, the hard stratum of earth lying beneath the soil; hence, figuratively, the firm, substantial, fundamental part or quality of anything; as, the hard pan of character, of a matter in dispute, etc. See Pan. -- Hard rubber. See under Rubber. -- Hard so…